Bring over lost changes from Cygnus's directory.

	* Missing ChangeLog entries.
	* Whitespace fixes.
	* Enable multilib by default
	* One stl fix (#ifdef -> #if)

From-SVN: r26234

libstdc++/ChangeLog

@@ -33,6 +33,20 @@ Thu Feb 18 19:53:17 1999  Marc Espie <espie@cvs.openbsd.org>
 	* config/openbsd.ml: New file.
 	* config/openbsd.mt: New file.
 
+1999-02-04  Ulrich Drepper  <drepper@cygnus.com>
+
+	* configure.in: Recognize --enable-threads=posix for all
+	platforms.
+	* config/posix.mt: New file.
+
+	* configure.in: Add fragments for Solaris defining macro specifying
+	thread library to be used.
+	* config/sol2pth.mt: New file
+	* config/sol2solth.mt: New file.
+	* stl/stl_alloc.h: Add support for Solaris thread library.
+	* stl/stl_config.h: Recognize _SOLTHREADS and define internal macros
+	appropriately.
+
 1999-01-28  Baron Roberts  <baron@sgi.com>
 
 	* string: Uncomment wstring declaration.

libstdc++/configure.in

@@ -176,6 +176,11 @@ if [ -n "${with_cross_host}" ] ; then
     mv -f Makefile.tem Makefile
 fi
 
+# enable multilib-ing by default.
+if [ -z "${enable_multilib}" ]; then
+    enable_multilib=yes
+fi
+
 . ${topsrcdir}/config-ml.in
 
 gxx_include_dir=